{"id":"CVE-2021-26403","aliases":["EUVD-2021-13209","GHSA-cfcv-rgx7-fw5j"],"status":"published","title":"Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret...","description":"Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potentially resulting in compromise of VM confidentiality.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00126,"percentile":0.02305,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-345"],"published":"2023-01-10T20:56:43Z","modified":"2026-06-17T03:43:20Z","products":[{"vendor":"amd","product":"1st gen epyc"},{"vendor":"amd","product":"2nd gen 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Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26403"},{"url":"https://github.com/advisories/GHSA-cfcv-rgx7-fw5j"}],"sources":{"cve":[{"id":"CVE-2021-26403","description":"Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potentially resulting in compromise of VM confidentiality.\n","status":"published","published":"2023-01-10T20:56:43.16Z","modified":"2025-04-08T20:24:38.162Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-13209","description":"Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potentially resulting in compromise of VM 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compromise of VM confidentiality.\n","status":"published","published":"2023-01-11T08:15:11.59Z","modified":"2026-06-17T03:43:20.207Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T14:07:07.323379Z"}]}}